NAME

       SPI_connect - connect a procedure to the SPI manager

SYNOPSIS

       int SPI_connect(void)

DESCRIPTION

       SPI_connect opens a connection from a procedure invocation to the SPI manager. You must
       call this function if you want to execute commands through SPI. Some utility SPI functions
       can be called from unconnected procedures.

RETURN VALUE

       SPI_OK_CONNECT
           on success

       SPI_ERROR_CONNECT
           on error